— Did you see Dr Ma yesterday afternoon? —When I got to his office, he ______. So we just talked little.
Teenagers like reading the books ________ are written by Guo Jingming.
Kate knew nothing _______ her mother told her.
There are many kinds of pollution around us, _________ air pollution, noise pollution and light pollution..
You may ________the story book for two weeks.
! Our grandpa is sleeping.